Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee2405afd7bc5b6c…

MALICIOUS

PDF

83.8 KB Created: 2021-02-18 22:42:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 223c6670f108feed349e9abd621f11ab SHA-1: 4296260744dfec63c67fd0915fb489b651e9efa7 SHA-256: ee2405afd7bc5b6cea85c7089e1f38ee4ce10183a1f843a26fcf030d109a56a9
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://druttle.ru/aws?utm_term=adobe+cc+2021+release+date PDF link annotation
    • http://help-nanny.site/pofejimums1dh8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489843/normal_6000cf8c12a8b.pdfIn PDF document text
    • https://cdn.sqhk.co/fenazijeguk/heahcgd/26533919759.pdfIn PDF document text
    • http://santecmb-sarl.com/mewefijuwaxapa2oo77.pdfIn PDF document text
    • http://tamakar.tech/werewolf_the_apocalypse_fetishesm564s.pdfIn PDF document text
    • https://cdn.sqhk.co/tumupowe/bjcyI01/30980576808.pdfIn PDF document text
    • http://just-gopro.com/barefoot_investor_2019pgwq9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445544/normal_5fd6746e19933.pdfIn PDF document text
    • http://siondez.ru/britain_for_learners_of_englishow13t.pdfIn PDF document text
    • https://cdn.sqhk.co/vifejoneses/iWibTjj/reluporumipukolisuz.pdfIn PDF document text
    • http://ourfanz.com/ejercicios_packet_tracer_resueltos_pmchcw.pdfIn PDF document text
    • http://3203epworthcres.com/plagiarism_detection_program_freegosvg.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/lojamiferezizelakotivub.pdfIn PDF document text
    • https://s3.amazonaws.com/gekixadonuru/south_film_1.pdfIn PDF document text
    • https://s3.amazonaws.com/mexijegedakol/vumototudek.pdfIn PDF document text
    • https://s3.amazonaws.com/wivunonovef/graphic_design_portfolio_template.pdfIn PDF document text
    • https://s3.amazonaws.com/dutuzanob/free_printable_worksheets_for_kindergarten_esl.pdfIn PDF document text
    • https://s3.amazonaws.com/gajabedafot/bhairava_tamil_movie_songs_starmusiq.pdfIn PDF document text
    • https://s3.amazonaws.com/tozaduliwubega/fashion_report_ffxiv_week_89.pdfIn PDF document text
    • https://s3.amazonaws.com/kefodek/camila_cabello_senorita_song_free.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010a03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A03 5388 bytes
SHA-256: bb57e338859bd09d65d9ef501a6d6bb407ed43b6ed3d0a39e760e815c57ed2ee
font_01_sfnt_off00011c63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C63 10984 bytes
SHA-256: 835f9b41377f8c510f89c0d1cb59b3f340ff4f5bd89f5a636d2e7ab2dbfba0e0

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